USN-8179-1: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Security update for util-linux

This update for util-linux fixes the following issues: Security issue: CVE-2026-3184: access control bypass due to improper hostname canonicalization in login bsc1258859. Non security issues: recognize fuse "portal" as a virtual file system bsc1234736. fdisk: fix possible partition overlay and da...

SUSE-SU-2026:21016-1 Security update for util-linux

This update for util-linux fixes the following issues: Security issues: - CVE-2025-14104: heap buffer overread in setpwnam when processing 256-byte usernames bsc1254666. - CVE-2026-3184: access control bypass due to improper hostname canonicalization in login bsc1258859. Non security issues: -...

OPENSUSE-SU-2026:20495-1 Security update for util-linux

This update for util-linux fixes the following issues: Security issues: - CVE-2025-14104: heap buffer overread in setpwnam when processing 256-byte usernames bsc1254666. - CVE-2026-3184: access control bypass due to improper hostname canonicalization in login bsc1258859. Non security issues: -...

CVE-2026-35492

Kedro-Datasets is a Kendo plugin providing data connectors. Prior to 9.3.0, PartitionedDataset in kedro-datasets was vulnerable to path traversal. Partition IDs were concatenated directly with the dataset base path without validation. An attacker or malicious input containing .. components in a...

Linux Distros Unpatched Vulnerability : CVE-2026-23474

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 fortify: Use...

SUSE CVE-2026-23432

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix use-after-free in mshvmapusermemory error path In the error path of mshvmapusermemory, calling vfree directly on the region leaves the MMU notifier registered. When userspace later unmaps the memory, the notifier fires...

SUSE CVE-2026-23474

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23474

A flaw was found in the Linux kernel's Memory Technology Device mtd subsystem, specifically within the RedBoot partition table parser. A local user could trigger a buffer overflow when the system attempts to read beyond the allocated buffer size during partition table parsing. This vulnerability...

EUVD-2026-18749

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23474

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

UBUNTU-CVE-2026-23474

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23474

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23432

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix use-after-free in mshvmapusermemory error path In the error path of mshvmapusermemory, calling vfree directly on the region leaves the MMU notifier registered. When userspace later unmaps the memory, the notifier fires...

CVE-2026-23474

CVE-2026-23474 concerns a Linux kernel issue related to RedBoot partition table parsing that could trigger a buffer overflow when Fortify-derived checks mis-handle dynamic allocation sizing. The connected OSV/Nessus data indicate this vulnerability has been addressed in multiple distros via patch...

CVE-2026-23474 mtd: Avoid boot crash in RedBoot partition table parser

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23474 mtd: Avoid boot crash in RedBoot partition table parser

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

CVE-2026-23474

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIGFORTIFYSOURCE=y and a recent compiler, commit 439a1bcac648 "fortify: Use builtindynamicobjectsize when available" produces the warning below and an oops. Searchi...

PT-2026-30127

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix use-after-free in mshv map user memory error path In the error path of mshv map user memory, calling vfree directly on the region leaves the MMU notifier registered. When userspace later unmaps the memory, the notifier...

PT-2026-30168

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0 Description The Linux kernel contains a flaw in the RedBoot partition table parser. When CONFIG FORTIFY SOURCE is enabled and a recent compiler is used, a buffer overflow can occur during the parsing...